Fig. 2From: Mechanical circulatory support for refractory out-of-hospital cardiac arrest: a Danish nationwide multicenter studyKaplan–Meier survival curves for patients with and without signs of life during cardiopulmonary resuscitation with respect to initial presenting rhythm and pre-hospital low-flow times. a Patients with initial shockable rhythm with signs of life and no signs of life. b Patients with non-shockable rhythm with signs of life and no signs of life. c Patients with pre-hospital low flow (PLF) 60–80 min with signs of life and no signs of life. d Patients with PLF > 80 min with signs of life and no signs of lifeBack to article page